Home / 13,353.71-18,427.57-7,303.86

Finding the Fourth Proportional to 13,353.71, 18,427.57 and 7,303.86

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Solution

The fourth proportional to 13,353.71, 18,427.57 and 7,303.86 is: 10,079.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,353.71 : 18,427.57 = 7,303.86 : x
  2. Step 2: Convert to fraction form
    13,353.71/18,427.57 = 7,303.86/x
  3. Step 3: Cross multiply
    13,353.71x = 18,427.57 × 7,303.86
  4. Step 4: Simplify right side
    13,353.71x = 134,592,304.06
  5. Step 5: Solve for x
    x = 134,592,304.06/13,353.71
  6. Step 6: Final answer
    x = 10,079.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.